In addition, Kärkkäinen owns restaurants, car service centres, a real estate development company and free-distribution magazine.
At the Rovaniemi Court of Appeal, Kärkkäinen's witness was Juuso Tahvanainen, the leader of the Finnish resistance movement at the time.
[3] In January 2017, it was revealed that Kärkkäinen had delivered products from different manufacturers for sale to the online store of the Finnish resistance movement.
[7] Kärkkäinen's department stores have sold the well-known propaganda book Jewish supremacism by the American anti-Semite and supporter of white supremacy David Duke.
[8] The same year, he also publicly denied the Holocaust and claimed that President of Finland Sauli Niinistö was affiliated with the New World Order.